The key factors in production are equipment running when it is supposed to be running and quality. Everybody understands “operational availability” (OA). They have a counter showing how many transmission parts each machine should be producing through the day based on the takt (customer demand rate) and what they are producing. They measure OA by shift. They also measure defects/100 in a separate quality measure, both externally shipped to the customer, and more important internal defects that are caught in inspection and are repaired or scrapped.